Can You 3D Proont an AK-47?

Published on October 29, 2018
Duration: 7:51

Brandon Herrera, an experienced firearms manufacturer, demonstrates the experimental firing of a 3D printed AK-47 receiver. The test reveals catastrophic failure due to the inherent design differences between AK and AR-15 platforms, highlighting the immense stress on the receiver lugs. This video serves as a cautionary tale about the limitations of 3D printing for certain firearm components.

Quick Summary

The 3D printed AK-47 receiver failed due to the firearm's design, where bolt locking lugs engage directly into the receiver/trunnion. This concentrates extreme stress on the printed material, causing it to shatter. In contrast, AR-15s lock into a steel barrel extension, making them more amenable to 3D printing receivers.

Chapters

  1. 00:00Introduction to 3D Printed Firearms
  2. 00:29Build Specifications
  3. 01:19Ammunition and Setup
  4. 02:04The Test Shot and Explosion
  5. 03:31Technical Analysis of Failure
  6. 05:37Design Differences: AK vs. AR

Frequently Asked Questions

Why did the 3D printed AK-47 receiver fail?

The 3D printed AK-47 receiver failed catastrophically because the AK's locking lugs engage directly into the receiver/trunnion. This design places immense stress on the plastic, causing it to shatter upon firing, unlike an AR-15 where lugs lock into a steel barrel extension.

Can AK-47 receivers be 3D printed like AR-15 lowers?

No, AK-47 receivers are significantly more difficult to 3D print successfully than AR-15 lowers. The AK's design concentrates extreme forces on the receiver at the locking lugs, a stress that common 3D printing materials cannot withstand reliably.

What ammunition was used in the 3D printed AK-47 test?

The test utilized Tula 7.62x39mm 122 grain Full Metal Jacket (FMJ) ammunition. This caliber and type of round were fired to test the structural integrity of the experimental 3D printed receiver.

What are the key design differences between AK and AR receivers relevant to 3D printing?

The primary difference is bolt locking: AR-15 bolts lock into a steel barrel extension, distributing force. AK-47 bolts lock lugs directly into the receiver/trunnion, concentrating immense stress on the receiver material, making it unsuitable for 3D printing with most plastics.

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